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Electromagnetic Sou...
Electromagnetic Source Modeling using Phase Retrieval Methods
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- Johansson, Markus, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lui, Hoi-Shun, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fhager, Andreas, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Persson, Mikael, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9781424451173
- 2011
- 2011
- English.
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In: 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011. - 9781424451173 ; , s. 1-2
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https://doi.org/10.1...
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Abstract
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- Modeling of the field distributions from electromagnetic sources is of interest for various applications for example electromagnetic compatibility investigations, near-field to far-field transformations, antenna diagnostics and electromagnetic dosimetry. In order to determine whether exposure safety guidelines, such as the EU directive 2004/40/EC, are complied with, source modeling methods are important. Two methods for determining the total field, including phase information, when only field amplitudes have been measured on a set of planes in front of an electromagnetic source have been developed. The first method, the adjoint field method, is a gradient based optimization algorithm based on the adjoint fields. The second method, the phase angle gradient method, employs an optimization algorithm based on the phase angle gradients of a functional. Promising results have been obtained both for numerical test cases and for measured field.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Publication and Content Type
- kon (subject category)
- ref (subject category)
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